Highest ever known IQ has been estimated at between 250 and 300.
The definition of a mentally challenged person is one who has an IQ of 70 or below.
Your brain has about 100 billion neurons. A typical brain cell has from 1,000 to 10,000 connections to other brain cells.
Studies have shown that children who are breast fed display IQ's up to 10 points higher by the age of three.
People with lower IQ are at greater risk of being concussed.